American Airlines' (AA) standard checked baggage / hold luggage policy details follow: 2 bags standard, up to 10 bags maximum for U S domestic, Transatlantic, and Transpacific, up to 5 bags maximum if your travel includes the Caribbean, Central America, Mexico, and South America.

On American Airlines in 2026, most passengers are permitted to check up to 10 bags on domestic, transatlantic, and transpacific flights. However, for travel to, from, or through Mexico, the Caribbean, Central America, and South America, the limit is usually capped at 5 bags per person. The cost for checking these bags varies by route and cabin. For domestic Economy, the first bag typically costs $40, the second is $45, and the third is $150. On transatlantic routes, the first bag is often free for standard Main Cabin tickets. Each bag must not exceed a total linear dimension of 62 inches (158 cm) and a weight of 50 lbs (23 kg). Elite members of the AAdvantage® program (Platinum and above) and those traveling in First or Business Class can often check up to three bags for free, with an increased weight limit of 70 lbs (32 kg) per bag. It is essential to check for seasonal baggage "embargoes" on certain Latin American routes where additional bags may be prohibited during peak holidays to manage aircraft weight and balance.